The destroyer USS Spence (DD-512 approaches the USS Hancock (CV-19) in the Pacific during World War II

USS Hancock (CV-19) in the Pacific during World War 2. Scene opens with the destroyer, USS Spence (DD-512) approaching the USS Hancock from starboard astern. The Spence is sending blinker signals. A sailor, aboard the Hancock also begins to transmit blinker signals, forward (not in reply to the Spence). Film ends as the Spence has drawn quite close to the Hancock.